Developer cartridge



FIG. 1 is a top perspective view of a developer cartridge, showing my new design;

FIG. 2 is a bottom perspective view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is a bottom plan view thereof;

FIG. 7 is a left-side view thereof;

FIG. 8 is a right-side view thereof; and,

FIG. 9 is a cross-sectional view taken along line 9-9 thereof.

The broken lines shown in the figures are for the purpose of illustrating portions of the developer cartridge and form no part of the claimed design. 

CLAIM The ornamental design for a developer cartridge, as shown and described. 